<ng-container *ngIf="highlightText">
  <span [innerHTML]="renderHighlightString(getOptionLabel())"></span>
</ng-container>
<ng-container *ngIf="!highlightText">{{ getOptionLabel() }}</ng-container>
<span
  *ngIf="!option.isLeaf || option.children && option.children.length || option.loading"
  class="ant-cascader-menu-item-expand-icon">
  <i nz-icon [nzType]="option.loading ? 'loading' : 'right'"></i>
</span>
